This content is structured for an IT support page, a knowledge base article, or a technical guide.
If you built your PC or use a USB Wi-Fi dongle, identify the chipset and go to: 802.11 n wlan wifi driver for windows 7
Microsoft ended extended support for Windows 7 in January 2020 . Drivers for Windows 7 are no longer officially updated by most hardware vendors. Use these drivers at your own risk in production environments. This content is structured for an IT support
Without the correct driver:
Depending on your hardware, you can find official drivers from these manufacturers: a knowledge base article